/*
 *  Copyright 2013 National Institute of Advanced Industrial Science and Technology
 *  
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *  
 *      http://www.apache.org/licenses/LICENSE-2.0
 *  
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.sss.util;

import java.lang.management.ManagementFactory;
import java.security.Permission;

public class Misc {
  public static int randomInt() {
    return (int) (Math.random() * Integer.MAX_VALUE);
  }

  public static int getPid() {
    String[] token =
      ManagementFactory.getRuntimeMXBean().getName().split("@", 0);
    return Integer.parseInt(token[0]);
  }

  /**
   * Set dengerous security manager.
   *
   * This method is dangerous.
   */
  public static void setDangerousSecurityManagerToSystem() {
    System.setSecurityManager(new SecurityManager(){
      public void checkPermission(Permission p) {}
    });
  }
}
